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Dev/jcsda #35

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Dev/jcsda #35

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danholdaway
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Two pieces of development that are needed on the JCSDA side.

  1. To make the remapping methods used in the cold start reader public and usable from outside. This is so that we can read cold starts in the fv3-jedi interface and access remapping where we need it.

  2. To address the issue described in Make grid_spec.nc file path in namelist more generic #32.

closes: #32

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@junwang-noaa could you assign some reviewers please? I don't have permission to do so.

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Thanks @junwang-noaa! @bensonr, @XiaqiongZhou-NOAA thanks in advance for looking over and testing the changes. Let me and @CoryMartin-NOAA know if you have any questions about what we're hoping to achieve.

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@XiaqiongZhou-NOAA XiaqiongZhou-NOAA left a comment

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It looks fine to me.

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Are the variables/routines you've exposed as public aren't being used within the dycore. Are these elements being used outside of the dycore?

real :: deg2rad
character (len = 80) :: source ! This tells what the input source was for the data
real, parameter :: deg2rad = pi/180.
character (len = 80), public :: source ! This tells what the input source was for the data
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You've made source public, but I don't see any other code using that information.

character(len=27), parameter :: source_fv3gfs = 'FV3GFS GAUSSIAN NEMSIO FILE'
public get_external_ic, get_cubed_sphere_terrain
public remap_scalar, remap_dwinds
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You've made remap_scalar and remap_dwinds public, but none of your other code changes use these routines.

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@bensonr yes these are being used outside of the dycore, in the JEDI data assimilation system. We have cases where we need to read cold starts in the data assimilation but cannot use the full dycore initialization routines. So we read the cold starts using our own routines that access FMS directly and then call the remapping methods. We may also have cases in the future where we want to remap a state, for example after adding the increment and these routines could be useful there.

junwang-noaa added a commit to junwang-noaa/GFDL_atmos_cubed_sphere that referenced this pull request Nov 12, 2020
junwang-noaa added a commit that referenced this pull request Nov 17, 2020
* add GFSv16 dzmin change
* Add code changes in external_ic.F90 and fv_grid_tools.F90 for dev/jcsda, dycore PR #35

Co-authored-by: Jun Wang <[email protected]>
Co-authored-by: Dan Holdaway <[email protected]>
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junwang-noaa commented Nov 17, 2020

Committed in PR#44, close PR.

XiaqiongZhou-NOAA pushed a commit to XiaqiongZhou-NOAA/GFDL_atmos_cubed_sphere that referenced this pull request Feb 26, 2021
* updates for double-periodic initialization

* fix GNU compiler out-of-bounds issue in GFDL/atmosphere.F90
LarissaReames-NOAA pushed a commit to LarissaReames-NOAA/GFDL_atmos_cubed_sphere that referenced this pull request Mar 15, 2021
* add GFSv16 dzmin change
* Add code changes in external_ic.F90 and fv_grid_tools.F90 for dev/jcsda, dycore PR NOAA-EMC#35

Co-authored-by: Jun Wang <[email protected]>
Co-authored-by: Dan Holdaway <[email protected]>
aerorahul pushed a commit that referenced this pull request Jul 17, 2021
pull latest master updates (PR #35) into dev/gfdl
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Make grid_spec.nc file path in namelist more generic
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